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Advantage II vs Advantix II

Compare Advantage II Spot-On to K9 Advantix II Spot-On

Advantage II and K9 Advantix II are both trusted spot on topicals used for treating fleas, produced by the same manufacturer, Bayer.

These are both monthly applications that eliminate flea infestations by killing fleas at all life stages (adult, egg, and larvae) and thereby breaking the breeding cycle. These topical treatments are not absorbed into the bloodstream, so fleas are killed before they bite.

Advantix II contains an additional active ingredient (Permethrin), that also provides protection against disease-carrying ticks and mosquitos.

The other key difference between these topicals is that Advantage II is available for both dogs and cats, while K9 Advantix II is a canine-only formula.

Advantage II may be used on dogs as young as 7 weeks and cats from 8 weeks of age. Advantix II is suitable for dogs as young as 7 weeks. Please ensure that you have the correct product for your pet’s body weight.

Top tip: Fleas and ticks can carry nasty diseases, but protecting your pet doesn’t need to be difficult. Use our comparison chart to weigh up the pros and cons of the most popular products.

  Advantage II K9 Advantix II
Kills Fleas yes tick yes tick
Repels Fleas - yes tick
Kills Flea Eggs and Larvae yes tick yes tick
Kills Ticks - yes tick
Repels Ticks - yes tick
Kills and/or Repels Mosquitoes - yes tick
Other Parasites Treats and controls lice infestations  
Safe for Pregnant or Nursing Pets yes tick yes tick
When does it starts working Kills fleas within 12 hours Kills fleas within 12 hours
Application Topical Topical
Active Ingredient(s) Imidacloprid, Pyriproxyfen Imidacloprid, Permethrin, Pyriproxyfen
Dosage Monthly Monthly

Advantage II vs Advantix II

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Advantix Dogs 8.8-22lbs (4-10kg) - 12 Pack
$99.95
$121.00
Advantix Dogs Over 55lbs (25kg) - 12 Pack
$99.95
$121.00
Advantix Dogs 22-55lbs (10-25kg) - 12 Pack
$99.95
$121.00
Advantix Dogs Under 4kg 8.8lbs (4kg) - 12 Pack
$94.95
$114.90
Advantix Dogs Over 55lbs (25kg) - 4 Pack
$36.95
$44.80
Advantix Dogs 8.8-22lbs (4-10kg) - 4 Pack
$35.95
$43.50
Advantix Dogs 22-55lbs (10-25kg) - 4 Pack
$36.95
$44.80